What was the amount of money donated to a certain charity? : GMAT Data Sufficiency (DS)
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# What was the amount of money donated to a certain charity?

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Math Expert
Joined: 02 Sep 2009
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What was the amount of money donated to a certain charity? [#permalink]

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03 Jan 2014, 05:13
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The Official Guide For GMAT® Quantitative Review, 2ND Edition

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient. Answer: C. _________________ Manager Joined: 27 May 2012 Posts: 226 Followers: 2 Kudos [?]: 71 [1] , given: 444 Re: What was the amount of money donated to a certain charity? [#permalink] ### Show Tags 04 Jan 2014, 00:53 1 This post received KUDOS Bunuel wrote: The Official Guide For GMAT® Quantitative Review, 2ND Edition What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. (2) Of the amount donated,$1.5 million came from noncorporate donations.

1) we don't know what 40% is equal to hence we cannot deduce the total amount
2)we don't how much came from non corporate donations hence also insuff.

1+2
we know 40% from corporate donations hence 60% from non corporate donations
60% = $1.5 Million hence we can find 100% 1+2 Sufficient Answer C _________________ - Stne Current Student Joined: 03 Feb 2013 Posts: 939 Location: India Concentration: Operations, Strategy GMAT 1: 760 Q49 V44 GPA: 3.88 WE: Engineering (Computer Software) Followers: 136 Kudos [?]: 873 [1] , given: 546 Re: What was the amount of money donated to a certain charity? [#permalink] ### Show Tags 05 Jan 2014, 10:38 1 This post received KUDOS Bunuel wrote: The Official Guide For GMAT® Quantitative Review, 2ND Edition What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. (2) Of the amount donated,$1.5 million came from noncorporate donations.

Statement 1) No actual value of money mentioned but the question asks about amount of money. Not Sufficient.
Statement 2) Though the value of money is specified, but the relationship of "noncorporate donations" with the "money donated" is not specified. So Not Sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient. Answer: C. can we assume that there are only two type of donations , not any other/ third type .? pls. explain. Math Expert Joined: 02 Sep 2009 Posts: 37108 Followers: 7254 Kudos [?]: 96550 [0], given: 10753 Re: What was the amount of money donated to a certain charity? [#permalink] ### Show Tags 15 Mar 2016, 23:20 robu wrote: Bunuel wrote: SOLUTION What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient. (2) Of the amount donated,$1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = \$1.5 million. We can solve for {total}. Sufficient.

can we assume that there are only two type of donations , not any other/ third type .? pls. explain.

"All donations are either corporate or noncorporate, how else? Consider this, are there any other colors but black and non-black? It's as simple as this."
_________________
Re: What was the amount of money donated to a certain charity?   [#permalink] 15 Mar 2016, 23:20
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